Development of Progressive Web Applications

U ovom radu opisan je problem izrade aplikacije koja se može koristiti na više platformi. Problem je opisan kroz izradu aplikacije koja predstavlja burzu poslova i ima elemente društvenih mreža. Prolazi se kroz opis problema te moguće pristupe i alate u njegovom rješavanju. Detaljnije se opisuju Progresivne Web Aplikacije, njihove glavne značajke poput manifest datoteke i Service Workera te tehnologije koje su korištene za izradu aplikacije. Sve funkcionalnosti aplikacije su detaljno objašnjene i opisane uz primjere. Prikazan je primjer rada i instalacije aplikacije na više platformi (Windows, Linux, macOS, Android, iOS, Google Chrome).This article describes the problem of creating an application that can be used on multiple platforms. The problem is described through the development od an application that represents a labour exchange and has elements of social networks. It goes through a description of the problem and possible approaches and tools in solving it. Progressive Web Applications, their main features such as manifest file and Service Worker and the technologies used to create the application are described in more detail. All functionalities of the application are explained in detail and described with examples. An example of operation and installation of the appliction on multiple platforms (Windows, Linux, macOS, Android, iOS, Google Chrome) is shown